Solar power, while streaming free daily from our sun, is notoriously difficult to turn into practical vehicular transportation. Sure, you can cross Australia in a solar car, if you're willing to work hard, but direct solar-powered transportation (i.e., not solar charging à la a Tesla Supercharger or Peder Norby) with passengers remains difficult. But that's just the hurdle that the Solar Team Eindhoven (STE) from the Netherlands is trying to jump.